How long can fleas live on people?

Fleas are small, wingless (wings have been degraded due to long-term parasitism on the host) and leaping parasitic insects (both females and males suck blood, unlike mosquitoes, but females suck blood). Adults usually live in mammals, a few in birds, if encounter animals will immediately have blood-sucking harm, let's take a look at how long fleas can live on people!

How long can fleas live on people?

The life span of fleas is about 50 days. Fleas have a very strong ability to adapt and survive. After female fleas ovulate on dogs, the eggs will fall onto the ground, sofa, carpet or even bed, and the eggs can hatch into larvae within 1 to 10 days. Flea larvae mainly feed on some organic detritus and form pupae within one to two weeks at suitable temperatures and temperatures. The life cycle of fleas takes about 35-40 days in spring, 17-21 days in summer, and extends by two months or more at the end of summer. From November to March, because of the cold weather, flea larvae can live in the pupa for as long as ten months and do not transform into adults until spring.

What are the common species of fleas?

1. Rat fleas: rat fleas breed and breed among floating soil, grain and other things under the rat nest, and reproduce most in spring and summer. the main hosts are rodents, but they are not single-minded, jumping to rats to suck blood, and then to people to suck blood. therefore, it is a vector to spread plague and poses a great threat to human health.

2. Human flea: human flea is a kind of flea most closely related to human beings, which mainly breeds in human housing and animal habitat, especially in places with poor clean and sanitary conditions, which breeds most in summer. In addition to parasitic human body, but also parasitic on dogs, cats, pigs, wolves, bears, foxes, badgers and so on, especially dogs.

3. Cat flea: the adult buccal bar of cat flea generally has 8 thorns, long head type, sharp angle between forehead and cheek, the most prosperous in summer, the female can lay eggs after sucking blood, and can lay more than 1000 eggs in her lifetime, which is mainly parasitic on cats. It is also parasitic on rabbits and dogs in Fujian, and can bite human beings at the same time.

4. Dog fleas: dog fleas are mainly parasitic on dogs and can also bite people, but they are rare in dogs in Northeast China, Inner Mongolia and other places. Dogs infected with fleas often cause dogs to scratch, lick their hair and bite places bitten by fleas, resulting in local baldness or redness and swelling, and in severe cases, allergic dermatitis.

What if there are fleas at home?

1. Thoroughly clean the home environment with a vacuum cleaner, especially where pets often sleep. After vacuuming, wrap the garbage bags in the vacuum cleaner with plastic bags and throw them out of the house. Usually, the vacuum cleaner can remove 50% of the flea eggs.

2. Use adult insecticides such as carpet powder and sprays to kill fleas remaining in the environment. Be careful to use sprays at invisible dead corners, such as under furniture, and consider other conditions at home when choosing products.

3. In order to prevent flea eggs and larvae from growing into adults, flea-killing sprays containing ingredients to control the growth of larvae are needed. Many products have both functions, which can not only kill the residual adults, but also prevent the growth of larvae.

4. The bedding in the pet nest should be cleaned every Monday, and the place near the pet nest should also be sprayed with spray for environmental treatment. At the same time, don't forget to deal with cars, pet suitcases, or other places where pets often go.